Tip Bank

Question: I have a table in SQL Server 6.5 with a datetime column that is used for tracking each time an event occurs; the date and time data are combined

When accepting input from an HTML form, you can’t assume that the user will provide the right type of data–you have to validate. For instance, if your application expects users

An extended stored procedure called xp_cmdshell causes SQL Server to spawn a command shell and execute the command given as a parameter. For example, xp_cmdshell ‘dir c:mssqlackup’ would return a

Instances of java.awt.Dialog are often used to display error messages in an application. As a result, you may find yourself writing a component that displays a message in a Dialog

You can use typeid to retrieve the type information of non-polymorphic objects and fundamental types. However, the result in this case refers to the static type of the object rather

Question: Is there an easy way to hide a drop-down tab without using the mouseout, mousemove, or mouseover events? These dynamic drop-down tabs are layered and in a framed page.

Question: How can I call the Windows color dialog box in Powerbuilder 6.0? Answer: To use the Windows standard color chooser dialog, you will need to declare and use some

Question: How can I find and replace a substring of a String? Answer: The String class is immutable. That is, once you have created a String, you cannot change its

Question: Does Java have a MOD function? Answer: The Java language has a built-in operator to perform modulus division. It is the same as that of the C and C++